parcells-



nim

L mi P. PARCELLS.

BENDING ROLLS. APPLICATION Flu-:n APn.9.1913.

Patented Aug. 22, 1916.

5 SHEETS-SHEET l.

Eli!

HQE-l f mmungumm uuml ,in IW I mmm llllll lli' P. PAHCELLS.

BENDING ROLLS.

I AumnmnumnnnnI 1 APPLICATION FILED APRl 9| I9I3.

Patented Aug. 22, 1916.

5 SHEETS-SHEET 2- "y im mwwwmmj. I. H

P. PARCELLS.

BENDING ROLLS.

APPLICATION F|LED APH.9.19|3. l 9 l 959'? l l Patanted Aug. 22, 1916.

5 SHEETS-SHEET 3.

P'. PARCELLS.

BENDING ROLLS. APPLICATION FILED APR. 9' 1913.-

Patented Aug. 22, 1916.

5 SHEETS-SHEET 4.

P. PARCELLS.

BENDING ROLLS.

. APPLICATIDN FILED APR. 9.1913.

Y 1,195,714. Patented u .22,1916.

Y 5SH SHEET 5.

fmf/M-- Zig@ MMM; v JMW@ PAUL PARCELLS, OF CHICAGO, ILLINOIS, ASSIGNOR TO GEO. WHITING COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

BENDING-ROLLS.

T all-whom t may concern:

Be it known that I, PAUL PARCELLS, a citizen of the United States, residing at Chicago, county of Cook, Illinois, have invented certain new and useful Improve ments in Bending-Rolls, of which the 'following is a specification.

My invention relates to bending rolls and the object thereof is to provide a comparatively simple, efficient, and reliable machine' of this character possessing advantages in construction and mode of operation.

My machine is particularly characterized by the movability of the top roll and its bearing in such manner that it may be separated or moved away from the other rolls in order that vthe stock operated upon, such as a corrugated pipe for instance, may be readily removed.

My machine is further characterized by adjustable bottom and back rolls, together with other advantageous features which will be apparent from the description hereinafter given.

While I have herein shown and will hereinafter describe my machine as constructed for the manufacture of corrugated pipe, yet it will be understood that my invention is not limited to that particular use although such use accentuates the value and importance of the invention.

In the drawings Figure 1 is an elevation of one side of the machine; Fig. 2 an elevation of the other side thereof; Fig. 3 a section on the line 3-3 of Fig. 4; Fig. 4 an end elevation of the machine; Figs. A5, 6, and 7 vertical sections on section lines similarly numbered respectively in Fig. 1; Fig. 8 a

perspective of one of the bearings of the top roll, and Figs. 9 and 10 detail views of a latch plate.

Referring to the particular embodiment of my invention as herein shown, the main frame comprises the two parallel I-beams 1 and the series of vertical cross frames 2, 3, and 4 supported on said beams, and also an end frame or bracket 5 located at one'end of the machine for supporting the end bearing of the drive shaft.

The rolls `are three in number, the same comprising the top roll G, bottom roll 7, and back roll 8, which are mounted in the main frame in the particular manner-hereinafter described. These rolls are driven in suit- Specication of Letters Patent.

Patented Amig 22, 1916.

Application filed Aprilf9, 1913. Serial No. 759,936.

able manner and as herein shown they are driven from the pulley 9 which cooperates with any suitable clutch, indicated in general aty 10, for the purpose of vdriving the horizontal drive shaft 11 whose outer end 1s Journaled in the frame or bearing support 5, hereinbefore mentioned, and whose inner end is journaled in a bearing 12 on one side of the frame 2. This drive shaft carries toward its inner end a pinion 13 meshing with a large vertical gear 14 which has a horizontal shaft 15 journaled in and passing through the frame 2, the inner end thereof being journaled in the frame 3. Upon this shaft 15 intermediate its length is secured a pinion 16 which meshes with and drives a corresponding pinion 17 on one end of the shaft 7aL of the lower roll 7. The pinion 17 in turn meshes with and drives a pinion 18 on the inner end of the shaft 6a of the top roll 6. In addition the pinion 17 meshes with an idler pinion 19 suitably journaled in the lower end of the bearing links 20 and 21, the former of which is pivoted from the shaft 7a and the latter of which is pivoted from the shaft 8a of the back roll 8. This pinion 19 meshes with a corresponding pinion 22 secured to said shaft 8eL whereby this back roll is rotated. In practice thepinions 18 and 22 mesh but this is a. mere incident to the particular4 construction shown and is not essential. i

ently adjustable toward and away from the top roll, both ends ofthe bottom and back rolls being respectively adjustable in unison. Referring first to the adjustment of the bottom roll and referring to the particular construction herein shown, the ends of the shaft 7a are mounted in bearing blocks 7b vertically movable in openings 7c in the supporting frames 3 and 4. To the Ilower end of each of these blocks is secured a vertical adjusting screw 31 movable within a vertical bore 32 of its supporting frame (Fig. 7) and screwing through the hub of bevel gears 33 contained within the opening 7c1 of the supporting frame. As shown in Fig. 3, the described adjustment is the same at each end of the shaft 7, and for rotatingl the bevel gears 33 33 in unison I employ a horizontal shaft 34 journaled toward its ends in the brackets 35 upon said frames 3 and 4. l To the outer ends of this shaft 34 are secured the similar bevel pinions 36 meshing with and driving the gears 33. For conveniently operating the shaft 34 a hand wheel 37 is provided.

The means for adjusting the shaft 8a of thepback roll are similar to those described in connection with the shaft 7 a of the bottom roll, the same comprising, as more clearly illustrated in Figs. 1, 5, 6, and 7, oblique adjusting screws 38 secured at their inner ends to the bearing blocks 8b, movable in the openings 8c and screwing into the hubs of the bevel gears 39 located within the openings 8*1 of the supporting frames. For operating these bevel gears 39 a horizontal shaft 40, bearing in brackets 41, is provided, and to A the outer ends thereof are secured bevel driving pinions 42 meshingvwith the bevel gears 39. The shaft may be operated in suitable manner and in the present instance it is operated by means of the hand wheel 43 located at one end of the machine and driving said shaft 40 through the medium of the horizontal shaft 44, pinion 45 thereon, and the gear 46 secured upon the shaft 40.

Referring to the mounting of the top roll which constitutes the main feature of my invention, the shaft 6"l is mounted at one end in an eccentric form of bearing which will now be described. Referring particularly to Figs. 2, 3, 6, 7, and 8, the inner end of this shaft 6a is mounted in a bearing of the peculiar shape and character illustrated in Fig. 8. This bearing consists of a substantially U-shaped frame 47 having laterally projecting trunnions 48 and 49, the former of which is mounted and has its bearings within a circular opening in the frame 3 (Fig. 7) and the latter of which is mounted and has its bearing in the frame 2 (Fig. 3). The shaft 6a of the top roll is considerably extended at its inner end, as shown in Fig. 3,

the same passing through both of the trunnions 48 and 49 through openings 48a and end bearing of the top roll has been removed in a manner hereinafter described.

Any suitable means may be employed for rocking the bearing frame or yoke 47 but I prefer to employ the means shown in the drawings, the same comprising a horizontal rock shaft 50 extending longitudinally of the machine and having tits bearings in the frames 2 and 4 (Figs. 1 and 2). yTo one end of this rock shaft is secured a hand lever 51 and near the other end thereof there is secured thereto a rock arm 52 pivotally connected at its upper end to a link or pitman 53 whose upper end is pivotally connected to the extending portion or arm 49b of the bearing yoke or frame 47. Thus, when the handle 51 is operated, the bearing yoke will be moved in an anti-clockwise direction (see Fig. 6) with the result that the shaft 6a and its roll will be moved upwardly and outwardly toward the right, thereby separating such roll from the other rolls in the manner hereinbefore stated. A movement of the hand lever 5l in the opposite direction will restore the parts to their normal position, indicated in Fig. 6 in which it is seen that the parts are locked in this position by reason of the fact that the pivotal point 52a between the arm 52 and the pitman 53 moves beyond center, that is out of the line between the central axis of the shaft 50 and the pivotal point of the pitman with the arm 49h. In order to assist the operator in thus separating the top roll I prefer to employ a weight 54 having a depending stem or rod 55 by Awhich it is secured in the opening 49c of the bearing yoke (Fig. 8).

As stated, the outer bearing of the top roll is removable. According to the construction herein shown, this bearing is of the hinge type, the same comprising a bea-ring 56 formed at the top of aswinging arm or bracket 57 lwhose lower end is pivoted tothe brackets 58 on the end of the frame 4 by means of the pivot pin 59 (Figs. 3 and 4).

In order to hold this bearing locked upon brackets 58, and normally adapted to fall by gravity tothe locking position shown in Fig. 4, at which time a portion of such plate is in the path of movement of this swinging bearing. In order to hold the bearing in its lowered or inoperativeA position shown in Fig. 3, a suitable rest'or support 61 is employed. Y

By preference the plate or latch 60 is made as shown in detail in Figs. 9 and 10 in which the same has its outer face beveled at 60a which is the portion presented in the path of movement of the bearing, with theresult that when such bearing is swung upward and inward into place it will contact with beveled portion of the latch and automatically force it laterally out 4of the way. As soon as the bearing has reached home position, the latch will fall by gravity into locking position and will stay in that, position until manually moved by means of the knob orhandle 60".

I claim:

l. In a machine ofthe class described, the combination of bending rolls, a swinging yoke having two trunnions, each provided with an eccentric bearing arranged on an axis parallel with the axis of the yoke to receive one end of one of the rolls, and a gear wheel for rotating such roll fixed to said end thereof within the yoke. i

2; In a machine of the class described, the combination of bending rolls, a supporting frame, a swinging yoke having two trunnions mounted to rock in said frame, each trunnion being provided with an eccentric hearing arranged on a common axis parallel with the axis of the yoke to receive one end of one of the rolls, and a gear wheel for rotating such roll fixed to said end thereof within the yoke.

3. In a machine of the class described, the

combination of bending rolls, a supporting frame, a swinging yoke having two trunnions, mounted to rock in said frame, each trunnlon being provided wlth an eccentric bearing arranged on a common axis parallel with the axis of the yoke to receive one end of one of the rolls, a gear wheel for rotating such roll ixed to said end thereof within the yoke, and a swinging removable bearing for the other end of said roll.

4. In a machine of the class described, the combination of bending rolls, a swinging yoke arranged to oscillate upon trunnions, said trunnions having eccentric bearings arranged on an axis parallel with the axis of the trunnions to receive one end of one of the rolls, and a weight connected With such oke. 1 y 5. In a machine of the class described, the combination of a swinging bending roll and fixed bending rolls, a swinging yoke having eccentric bearings arranged on an axis parallel with the axis of the yoke for one end of the swinging roll, and means for operating the yoke comprising a rock shaft 50, rock arm 52, and a. pitman 53 between the arm 52 and the yoke, the pivotal connection between said arm 52 and pitman 53 being slightly beyond dead center when the l swinging roll is in operative relation to the fixed rolls to lock such swinging roll in position.

PAUL PARCELLS. Witnesses:

GEO. PAGE, F. I. LEML'EY. 

